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Study on Preparation Technology of Large-size Tungsten Heavy Alloy
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1.Advanced Technology & Materials Co,Ltd;2.ATTL Advanced Materials Co,Ltd

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TG146.4

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    Abstract:

    The study focuses on preparation technology of tungsten based heavy alloy (WHA). By adding trace element into traditional raw material, carrying out compositon explonation of large-scaled WHA product. 93WNiFe was chosen and multi-step sintering was adopted for the alloy preparation. By means of surpervisor control product size in sintering process and sampling for mechanical performance analysis, internal organization evolution law was investigated. The final part is weight 4 tons, with maximum diameter 700 mm and maximum height of 1400 mm, and sampling for each part, the product tensile strength is greater than 920 Mpa, elongation more than 20%.

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[Zhou Wuping, Wang Ling, Qin Yingnan, Xiong Ning, Liu Guirong, Liu Guohui. Study on Preparation Technology of Large-size Tungsten Heavy Alloy[J]. Rare Metal Materials and Engineering,2020,49(11):3957~3961.]
DOI:10.12442/j. issn.1002-185X.20191024

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History
  • Received:December 04,2019
  • Revised:June 17,2020
  • Adopted:June 17,2020
  • Online: December 09,2020
  • Published: